gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.

2008-07-29  Richard Guenther  <rguenther@suse.de>

	* gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for
	OBJ_TYPE_REF.

From-SVN: r138256

gcc/ChangeLog

+2008-07-29  Richard Guenther  <rguenther@suse.de>
+
+	* gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for
+	OBJ_TYPE_REF.
+
 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
 
 	* c-format.c (check_format_types): Revert unwanted checkin.

gcc/gimplify.c

@@ -6630,6 +6630,7 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
 				post_p, is_gimple_val, fb_rvalue);
 	    r1 = gimplify_expr (&OBJ_TYPE_REF_EXPR (*expr_p), pre_p,
 				post_p, is_gimple_val, fb_rvalue);
+	    TREE_SIDE_EFFECTS (*expr_p) = 0;
 	    ret = MIN (r0, r1);
 	  }
 	  break;